The Geologic History of Utah County

Because of the bench’s position close to the ancient Provo River outlet, large, erosion-rounded rocks and later fine silt was deposited at the mouth of the river in the Orem area. As a result, in our area of Orem our gardens were grown in very loose, medium-fine soil mixed with “Orem potatoes,” or smooth (river-eroded), fist-sized rocks. ................
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